3422947 has 4 divisors (see below), whose sum is σ = 3734136. Its totient is φ = 3111760.

The previous prime is 3422917. The next prime is 3422971. The reversal of 3422947 is 7492243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7492243 = 11 ⋅681113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3422947 is a prime.

It is a Duffinian number.

3422947 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3422917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155578 + ... + 155599.

It is an arithmetic number, because the mean of its divisors is an integer number (933534).

Almost surely, 2^3422947 is an apocalyptic number.

3422947 is a deficient number, since it is larger than the sum of its proper divisors (311189).

3422947 is a wasteful number, since it uses less digits than its factorization.

3422947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311188.

The product of its digits is 12096, while the sum is 31.

The square root of 3422947 is about 1850.1208068664. The cubic root of 3422947 is about 150.7069884727.

The spelling of 3422947 in words is "three million, four hundred twenty-two thousand, nine hundred forty-seven".